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Postcode district energy-performance profile

RM12 EPC ratings and energy costs

Understand how homes in RM12 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

D 67

1.5 points below analysed national average

Rated C or above

46.8%

of analysed certificates

Potential uplift

+15

average score points

Properties represented

5K

from 5K certificates

At a glance

What the data says about RM12

46.8%

rated A–C

10.4%

rated E–G

£1,026

certificate-estimated annual cost

Cost figures are averages of estimates recorded on EPCs at different dates. They are useful for comparing areas, but they are not a forecast of a current household bill.

Average EPC score in RM12

A92+
1.0%
B81–91
12.0%
C69–80
33.7%
D55–68
67
42.8%
E39–54
8.7%
F21–38
1.3%
G1–20
0.4%

EPC band distribution in RM12

A
511.0%
B
12.0%
592
C
33.7%
1,660
D
42.8%
2,107
E
8.7%
427
F
621.3%
G
220.4%

Certificate-estimated energy costs

Cost TypeRM12National AvgDifference
Heating£752/yr£782/yr▼ £30
Hot water£177/yr£184/yr▼ £7
Lighting£97/yr£95/yr▲ £2
Total£1,026/yr£1,061/yr▼ £35

These values come from certificate assessments and reflect standardised occupancy assumptions and energy prices used when each EPC was produced. They are not live tariffs.

Property types in the dataset

House
2,90859.1%
Flat
1,41728.8%
Bungalow
3727.6%
Maisonette
2244.6%

Main heating fuel

Mains gas
4,36191.9%
Electric
3667.7%
Other
140.3%
LPG
40.1%
Oil
10.0%

Carbon emissions and improvement potential

3.1 t

current annual CO₂ estimate

1.6 t

potential annual estimate

82 m²

average floor area

When the represented homes were built

Pre-1900
1%
1900–1929
5%
1930–1949
40%
1950–1966
17%
1967–1975
10%
1976–1982
4%
1983–1990
5%
1991–1995
2%
1996–2002
2%
2003–2006
2%
2007–2011
1%
2012+
11%

Average EPC score over time

Average EPC efficiency score by year2020: 65, 2021: 67, 2022: 66, 2023: 71, 2024: 66, 2025: 677471686562202020212022202320242025Efficiency score
2020
65
2021
67
2022
66
2023
71
2024
66
2025
67

What to do next

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